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Determining the Range of a Horizontally Launched Projectile If projectile is horizontally launched all velocity v i is in x-dir  v i = v i(x) Determine time using y direction v o = v o(x)

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In-Class Problem #1 A marble rolls off a table that is 0.85 m high and lands 1.25 m from the base of the table. a) How long was the marble in the air? b) What was the marble’s initial velocity? t = 0.42 s v o = 2.98 m/s